406216128016 has 40 divisors (see below), whose sum is σ = 797845006080. Its totient is φ = 200326054656.

The previous prime is 406216127921. The next prime is 406216128023. The reversal of 406216128016 is 610821612604.

It is a super-2 number, since 2×406216128016² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1035981 + ... + 1373203.

It is an arithmetic number, because the mean of its divisors is an integer number (19946125152).

Almost surely, 2^406216128016 is an apocalyptic number.

It is an amenable number.

406216128016 is a deficient number, since it is larger than the sum of its proper divisors (391628878064).

406216128016 is a wasteful number, since it uses less digits than its factorization.

406216128016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338263 (or 338257 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 406216128016 in words is "four hundred six billion, two hundred sixteen million, one hundred twenty-eight thousand, sixteen".